PROBLEM TO BE SOLVED: To achieve a joining structure of a frame for a vehicle which can secure load bearing strength and robustness of the frame that is formed by extrusion-molding and absorbs an inputted load by folding and deforming.SOLUTION: A joining structure 10 of a frame 28 for a vehicle comprises: the frame 28 for a vehicle constituted to include a first tubular frame 20 formed in a closed cross section shape by extrusion-molding light metal and a second frame 18 which is formed in a closed cross section shape, one side of which is opened by die-casting light metal, and is overlapped with the first frame 20 to contact the first frame; a slit part 30 which is formed in the second frame 18 and extended along a periphery part 18B near the opening direction of the second frame 18; a first welded part 32 constituted by welding the periphery part 18B of the second frame 18 to the first frame 20; a second welded part 34 constituted by welding a circumference part of the slit part 30 to the first frame 20.SELECTED DRAWING: Figure 4

    【課題】押し出し成形によって形成され、入力された荷重を折れ曲がり変形することで吸収するフレームの耐荷重強度及びロバスト性を確保できる車両用フレームの接合構造を得る。【解決手段】軽金属の押し出し成形によって閉断面形状に形成された筒状の第1フレーム20と、軽金属のダイカストで一方側が開放された開断面形状に形成され、第1フレーム20に接触した状態に重ね合わされる第2フレーム18と、を含んで構成された車両用フレーム28と、第2フレーム18に形成され、第2フレーム18の開放方向側の辺縁部18Bに沿って延在するスリット部30と、第2フレーム18の辺縁部18Bと第1フレーム20とが溶接されることで構成された第1溶接部32と、スリット部30の周縁部と第1フレーム20とが溶接されることで構成された第2溶接部34と、を備えた車両用フレーム28の接合構造10とする。【選択図】図4


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    Title :

    JOINING STRUCTURE OF FRAME FOR VEHICLE


    Additional title:

    車両用フレームの接合構造


    Contributors:

    Publication date :

    2017-01-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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